PIC16C63T-10I/SO - 8-Bit OTP MCU, 10MHz, 7KB | Microchip
MPN: PIC16C63T-10I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.85 | $78.50 |
| 100 | $6.95 | $695.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.4 | $5,400.00 |
PIC16C63T-10I/SO Overview
What is a PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a compact, programmable integrated circuit that combines a CPU, non-volatile program memory (ROM/OTP/Flash), volatile data memory (RAM), and configurable peripherals (timers, ADCs, communication interfaces) on a single die. Within the broader semiconductor taxonomy, a microcontroller falls under microcontrollers -> embedded processors -> integrated circuits -> semiconductors. The PIC16C6X family specifically targets cost-sensitive 8-bit applications where deterministic instruction execution, low power consumption, and rich peripheral integration are required.
Key features of the PIC16C63T-10I/SO include its 35 single-word instruction set (all single-cycle except program branches which are two-cycle), dedicated hardware USART, SPI, and I2C communication peripherals, a 14-bit instruction word architecture, and four interrupt sources. The device also integrates a watchdog timer with its own on-chip RC oscillator for reliable operation, plus power-saving SLEEP mode and a programmable code-protection scheme for the OTP memory.
Architecturally, the PIC16C63T-10I/SO uses a Harvard-style separate program and data bus design that allows simultaneous instruction fetch and data access. The OTP program memory of 7 KB is organized as 4 K x 14 words and is one-time programmable, meaning each bit cell can be programmed exactly once - after which the contents are non-volatile and field-erasable only by UV exposure on windowed packages. The 192-byte data RAM provides general-purpose storage, while the 22 I/O pins are multiplexed with peripheral functions and support individual direction control.
Typical applications include industrial control systems, sensor interface modules, consumer appliances, automotive body electronics, motor control boards, and embedded communication peripherals. The integrated I2C/SPI/USART peripherals make this MCU especially attractive for bridging legacy sensor networks to modern microcontrollers.
When designing with this part, note that the OTP memory cannot be re-programmed - prototypes should use the equivalent PIC16F63 or PIC16C63 JW (windowed) variants to allow iteration. Brown-out detection, the watchdog timer, and the integrated oscillator help achieve robust field reliability without external components.
This page synthesizes distributor stock levels, same-package drop-in alternatives, and design notes that go beyond what the manufacturer datasheet alone provides - including a comparison with the PIC16C63-10I/SO industrial-temperature sibling and practical guidance on selecting a flash-based replacement for new designs.
Drop-in alternatives for PIC16C63T-10I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16C63T-10I/SO (same form factor and footprint) — differing in Program Memory Size, Core Architecture, Maximum Clock Frequency, I/O Pins, Program Memory Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16C63-10I/SO
✅ Drop-In✓ In Stock
$6.42 / Unit
View Datasheet →PIC16C63A-20I/SO
✅ Drop-In✓ In Stock
$5.41 / Unit
View Datasheet →PIC16C63T-20I/SO
✅ Drop-In✓ In Stock
$5.25 / Unit
View Datasheet →PIC16C63T-10/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F873A-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16C63T-10I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 7 KB (4 K x 14 words) |
| Data RAM | 192 bytes |
| Maximum Clock Frequency | 10 MHz |
| Instruction Set | 35 single-word instructions |
| Supply Voltage | 4 V to 5.5 V |
| I/O Pins | 22 |
| Communication Interfaces | USART, SPI, I2C |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package Type | 28-SOIC (0.295 inch, 7.50 mm width) |
| Mounting Type | Surface Mount |
| Number of Terminals | 28 |
| Temperature Grade | Industrial |
PIC16C63T-10I/SO Pin Configuration
| Pin 1 | MCLR/VPP — Master Clear reset input / programming voltage |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Pin 5 | RA3/AN3/VREF — PORTA bit 3 / Analog input 3 / Voltage reference |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer 0 clock input |
| Pin 7 | RA5/SS/AN4 — PORTA bit 5 / SPI slave select / Analog input 4 |
| Pin 8 | OSC1/CLKIN — Oscillator input / external clock input |
| Pin 9 | OSC2/CLKOUT — Oscillator output / clock output |
| Pin 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer 1 oscillator output / Timer 1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer 1 oscillator input / CCP2 |
| Pin 12 | RC2/CCP1 — PORTC bit 2 / CCP1 |
| Pin 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — PORTC bit 6 / USART transmit / USART clock |
| Pin 17 | RC7/RX/DT — PORTC bit 7 / USART receive / USART data |
| Pin 18 | RB0/INT — PORTB bit 0 / External interrupt |
| Pin 19 | RB1 — PORTB bit 1 |
| Pin 20 | RB2 — PORTB bit 2 |
| Pin 21 | RB3 — PORTB bit 3 |
| Pin 22 | RB4 — PORTB bit 4 |
| Pin 23 | RB5 — PORTB bit 5 |
| Pin 24 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 25 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin 26 | VSS — Ground reference |
| Pin 27 | VDD — Positive supply voltage (4.0 V to 5.5 V) |
| Pin 28 | NC — Not connected (per datasheet) |
Typical Applications
PIC16C63T-10I/SO is suitable for 6 applications: Industrial Sensor Interface Module, Consumer Appliance Control Board, Automotive Body Electronics Module, Embedded Communication Bridge, Hobbyist and Educational Development, Lighting Control Module.
Industrial Sensor Interface Module
The PIC16C63T-10I/SO is well suited for industrial sensor interface modules thanks to its integrated I2C, SPI, and USART peripherals, which let a single MCU bridge multiple sensor types without external interface logic. With 22 I/O lines and 192 bytes of RAM, the device can manage a primary sensor bus plus several GPIO channels for alarm output and switch input. The 10 MHz clock (100 ns instruction cycle) provides deterministic response for time-sensitive polling loops. Place decoupling capacitors (100 nF and 10 uF) close to the VDD pin 28 and keep the MCLR reset line (pin 1) away from switching noise sources. This part suits industrial-grade -40 C to +85 C environments.
Recommended
Consumer Appliance Control Board
In consumer appliance control boards (washing machines, dishwashers, microwave ovens), the PIC16C63T-10I/SO provides reliable 8-bit processing with hardware USART for communication to the main user-interface panel. The 7 KB OTP program memory accommodates typical appliance state machines and timing routines. Watchdog timer with its own internal RC oscillator improves field reliability by recovering from software lockups. Industrial temperature rating allows operation in enclosures with elevated internal temperatures. The 28-SOIC package is cost-effective for high-volume SMT assembly. Use the PICSTART Plus or ProMate II programmer for production programming of OTP.
Recommended
Automotive Body Electronics Module
Automotive body electronics modules (window lift controllers, seat position controllers, mirror adjusters) often use PIC16C6X family microcontrollers because of their proven long-term reliability and automotive-grade qualification. The PIC16C63T-10I/SO industrial temperature rating supports most cabin locations, while its integrated peripherals reduce external component count. For under-hood or harsher automotive environments, upgrade to the PIC16C63T-10E/SO extended-temperature variant or migrate to a PIC18F equivalent with AEC-Q100 qualification. The 28-SOIC footprint is well established for automotive PCB assembly lines. Use the LIN or USART interface for body-network communication.
Recommended
Embedded Communication Bridge
The PIC16C63T-10I/SO is an efficient protocol bridge between I2C sensor networks, SPI peripherals, and a USART-based host interface. Its three independent hardware serial controllers can operate concurrently when pin assignments permit, enabling simultaneous sensor data collection and host-side telemetry. With 192 bytes of RAM and 7 KB of OTP program memory, the device can buffer short messages and run packet-formatting routines. The 10 MHz clock rate is sufficient for most low-speed sensor telemetry. Add TVS protection on external connector pins for industrial robustness. The device's deterministic interrupt latency suits time-critical protocol timing.
Recommended
Hobbyist and Educational Development
Although the PIC16C63T-10I/SO uses OTP memory and is not ideal for code-iteration prototyping, it remains useful for educational labs teaching MCU architecture fundamentals, instruction-set design, and assembly-language programming. The 28-SOIC package is breadboard-friendly with a SOIC-to-DIP adapter PCB. For hands-on labs requiring in-circuit reprogrammability, instructors should use the flash-memory PIC16F873A-I/SO which is pin-compatible. The PIC16 mid-range instruction set (35 instructions) is one of the most widely documented architectures in microcontroller textbooks. Pair with MPLAB IDE and the PICkit 3 debugger for development.
Recommended
Lighting Control Module
The PIC16C63T-10I/SO can serve as the main controller in DMX-512 or DALI-compatible lighting control modules, leveraging its hardware USART for DMX reception and its I2C peripheral for DALI bridging. The 22 I/O lines allow direct drive of multiple MOSFET-controlled LED channels via PWM, or alternatively through external LED driver ICs. Industrial temperature rating supports enclosed lighting fixture environments. The 10 MHz instruction cycle supports up to 4 DMX slot updates per frame at standard 250 kbaud rates. Watchdog timer prevents lockup in unattended installations. For DALI-2 certified designs, migrate to a flash-based PIC18 with certified stack libraries.
Recommended
Recommended Products Summary
Engineering reference data for PIC16C63T-10I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16C63-10I/SO | PIC16C63A-20I/SO | PIC16C63T-20I/SO | PIC16C63T-10/SO | PIC16F873A-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Frequency | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 10 MHz | 20 MHz |
| Program Memory Type | OTP | OTP | OTP | OTP | OTP | Flash |
| Program Memory Size | 7 KB (4K x 14) | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB |
| Data RAM | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 22 |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Commercial (0C to +70C) | Industrial (-40C to +85C) |
| ADC Channels | None | None | None | None | None | 5 channels x 10-bit |
| Reprogrammable | No (OTP) | No (OTP) | No (OTP) | No (OTP) | No (OTP) | Yes (Flash, 100k cycles) |
Key Differentiators
- Tape-and-reel packaging for high-volume SMT assembly (vs PIC16C63-10I/SO)
- Industrial temperature grade -40C to +85C (vs PIC16C63T-10/SO)
- Lower-cost OTP vs flash-memory alternative (vs PIC16F873A-I/SO)
Design Notes
Estimated: The PIC16C63T-10I/SO supply current at 10 MHz and 5 V is approximately 13-16 mA active, dropping to microamp levels in SLEEP mode. Place a 100 nF decoupling capacitor directly between VDD (pin 27) and VSS (pin 26) within 3 mm of the pins, plus a bulk 10 uF tantalum or ceramic capacitor on the same supply rail. Add a 10 kohm pull-up resistor on the MCLR/VPP pin (pin 1) to VDD to ensure a clean reset; if in-circuit serial programming is used, the pull-up must be sized so that the programmer can drive MCLR low without contention.
Keep the oscillator traces (OSC1/OSC2, pins 8-9) as short as possible and surround them with a ground pour for noise immunity. If using a crystal oscillator, place the load capacitors (typically 15-33 pF) within 5 mm of the oscillator pins and connect their ground returns directly to the VSS pin. Avoid routing digital signal traces under the crystal or oscillator area, as capacitive coupling can cause startup failures or frequency instability. For SOIC packages, a continuous ground plane on the bottom layer of the PCB improves both EMI performance and thermal dissipation.
OTP (One-Time-Programmable) memory cannot be electrically erased - any programming error is permanent and the device must be discarded. Verify compiled code thoroughly using a flash-memory equivalent (PIC16F873A-I/SO in the same 28-SOIC footprint) before committing to OTP production programming. Code-protect bits must be configured carefully; once enabled they prevent further verification of the program memory. Brown-out reset (BOR) configuration bits should be enabled for reliable field operation, since PIC16C OTP parts lack internal BOR by default and can execute corrupted instructions during supply voltage dips below 4 V.
Compliance Information
RoHS and REACH compliance for PIC16C63T-10I/SO is not explicitly stated in the verified web data; the original PIC16C family predates widespread RoHS adoption. Not AEC-Q100 qualified - this is a commercial/industrial grade part. For automotive applications, verify with the manufacturer or select an AEC-Q100-qualified PIC16 variant.
